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1、Unit 6 When was it invented? 【重点词组】1. shoes with special heels 特殊后跟的鞋子 2. hot ice cream scoop热的冰其淋勺子 3. run on electricity 电动的4. be used for 被用作5. the subject for my school project学校项目的课题 6. our daily lives 我们的日常生活 7. have a point有点道理 8. by accident偶然，意外地 9. over the open fire在火堆上 10. fall into the
2、water 落入水中 11. take place 发生 12. without doubt毫无疑问13. at a low price 以一个很低的价格 14. translate the book into different language 把书翻译成不同种的语言15. all of sudden 突然 16. by mistake 错误地 17. a much-loved and active sport一个深受喜爱并且积极的运动18. divideinto 把分开 19. stop sb from doing sth 阻止某人做某事 20. look up to钦佩，仰慕 21.
3、the professional basketball groups职业篮球机构22. use someone elses idea借用其他人的想法【重点句式】1. I think the TV was invented before the car. 我认为电视是在轿车之前发明的。2. -When was the telephone invented? - 电话是什么时候发明的？ -I think it was invented in 1876. -我认为电话是在1876年被发明的。3. -What are they used for? -他们可用来做什么？ -They are used f
4、or changing the style of the shoes -他们可用来改变鞋子的样式。4. -When was the zipper invented? -拉链是什么时候发明的？ -It was invented in 1893 .-它是在1893年被发明的。5. -Who was it invented by? -它是由谁发明的？-It was invented by Whitcomb Judson. -它是被惠特科姆.贾德森发明的。6. -When was tea brought to Korea? -茶是什么时候被带到韩国的？ -It was brought to Korea
5、 during the 6th and 7th centuries.-它是在六至七世纪被带到韩国的。7. -What is the hot ice-cream scoop used for? -这个热的冰其淋勺子是用来做什么的？-Its used for serving really cold ice-cream -它是用来提供真正冷的冰其淋。【重点知识解析】Section A（1a 2d）a. 词汇包： 1.invent (v.)发明；创造invent 指发明创造出自然界本来不存在的东西，如工具、方法、手段、汽车、电器、合成材料等。【备课例句】Bell invented the teleph
6、one. 贝尔发明了电话。Smith invented a new teaching method. 史密斯发明了一种新的教学方法。【横向辐射】discover, find, create 1.discover是“发现”的意思，是指发现原来就有而一直没被发现，如发现电、煤、石油等矿藏及新星、星系或科学真理等。Columbus discovered America in 1492.1492年哥伦布发现了新大陆。Recently they have discovered a comet. 最近他们发现了一颗彗星。2.find的意思是“寻找”，强调找的结果，并不指发现。Ive tried to fi
7、nd another copy but couldnt find one.我试图再找一本，但没能弄到。3.create指有目的地把原材料制成新产品，也指创造出原来不存在的或与众不同的事物。Man creates himself. 人类创造了自己。A novelist creates characters and a plot. 小说家塑造人物并设计情节。【课堂变式】根据语境提示，用invent, discover，find或create的形式填空，完成句子。1.When _ the stream engine（蒸汽机） _?2. I cant _ my bike, Im looking for
8、 it. 3. Scientists are now trying to _ if this is possible.4. Do you know who_ the plane？5. He _quite a number of wonderful characters in his play.【解析】I.1.was, invented 2.find 3.discover 4.invented 5. created2. be used for 用来做此短语中的for是介词，表示用途，后接名词或动词-ing形式。【备课例句】An orange is used for medicine. 桔子可以入
9、药。A pen is used for writing. 钢笔用来写字。【横向辐射】be used as& be used by 1.be used as 意为“被用作”，介词as表示“作为”，其后一般接名词，强调使用的工具及手段。【例句】English is used as the second language in many countries. 英语在许多国家被当作第二语言使用。This room is used as their office. 这人房间被用作他们的办公室。2.be used by 意为“被使用”，介词by后面接动作的执行者（宾语）。【例句】English is us
10、ed by travelers and business people all over the world. 全世界的旅行者和商人们使用英语。Tractors are used by the farmers. 农民使用拖拉机。【课堂变式】1. 在中国英语作为外语来使用。_2.教师用粉笔。_3.毛衣是用来保暖的。_【解析】1. English is used as a foreign language in China. 2. Chalk is used by teachers. 3. A sweater is used for keeping warm.3. pleasure n. 高兴，愉
11、快； 常用于口语中；its my pleasure. With pleasure.【备课例句】Its my pleasure to help you look after your pet cat.我感到很荣幸帮你照看你的宠物猫。【横向辐射】please, pleased, pleasure, pleasant 的区别一、please1.表请求或要求的语气。是动词（及物动词）。-Come in, please.请进来吧。（或Pease come in）-Sit down, please.请坐。（或Please sit down）2.表“讨好，讨人喜欢；喜欢”（不及物动词）或者“使高兴，使满意，
12、使喜欢”（及物动词）-Go where you please.你想去哪就去哪。 -What pleases you best?你最喜欢什么？ 二、pleased形容词。表示“高兴的，喜欢的，满意的”。它指的是人主观上感到的满足心理-Im pleased to see you!见到你真高兴！常用句型有：be pleased to do sth.高兴做某事be pleased at/about/with/by 对感到满意/高兴be pleased that从句 对 感到满意/高兴三、pleasant形容词。表示“令人愉快的”“让人感到满意”。主语一般为物。The walk was very ple
13、asant. 那次散步很（让人）愉快。四、pleasure名词 表示“满足；乐趣；消遣、娱乐”Its a pleasure to read this book. 读这本书真是件乐事。【课堂变式】（1）根据句意，用pleasant, pleased或pleasure填空。1. I had a _ time. 2. He will be _ to help you. 3. Reading gives me great _.4. It gives me _to see you looking happy.5. We spent a _ day in the country.【解析】1.pleasan
14、t 2.pleased 3. pleasure 4.pleasure 5. pleasant （2）I think it is impossible to make everyone_. A. please B. pleased C. pleasant D. pleasure【解析】由句意可知，要让每个人高兴是不可能的。pleased表示“高兴的，喜欢的”; 故选B。b. 句式包：When was it invented? 它是何时发明的？本句用于询问某个物品的发明时间，结构为“When + was+某项物品+invented？”，其中was invented是一般过去时的被动语态，其基本结构是“was/were + 过去分词”【备课例句】This book was bought yesterday. 这本书是昨天买的。【横向辐射】几种基本时态的被动语态1.一般现在时：
